Finding the Fourth Proportional to 13,367.46, 18,451.20 and 7,706.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,367.46 : 18,451.20 = 7,706.00 : x
2. Step 2: Convert to fraction form
   13,367.46/18,451.20 = 7,706.00/x
3. Step 3: Cross multiply
   13,367.46x = 18,451.20 × 7,706.00
4. Step 4: Simplify right side
   13,367.46x = 142,184,854.94
5. Step 5: Solve for x
   x = 142,184,854.94/13,367.46
6. Step 6: Final answer
   x = 10,636.64